Slim 4-port USB hub



FIG. 1 is a top, front, and right side perspective view of my new design for a slim 4-port USB hub;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan left side elevation view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM I claim the ornamental design for the slim 4-port USB hub, as shown and described. 